Nut



Sept. 11,192

H. W. CONNVELL NUT '11 March 18, 1925 ATTORNEY.

' Patented Sept 11, 1928. f

' HARRY w. coNmaLL, or BALnwINsvILLE, new YORK.

NUT.

* Application filed'M ai-ch 18, 1925. Serial No. 16,312.

The device, the subject of this invention isa nut having a wrench retaining means.

I have found that nuts arranged upon bolts or" studs that require to be releascc 6 and secured quite. often or at statedintervals have, in the past, been provided with serrated heads or withprojecting pins. If

pins are used, it is necessary that the nut be of a large size, to provide sufficient body l and strength for the pin- If serrated heads are used or wings, only a limited holding tension can be appli'ed, owing to the short leverage.

If the nuts are. arranged closely adjacent l5, to a bar or support or an immovable part of the mechanism, serratedlheads or wings cannot, in many instances, be employed, nor

would a large headed nut, through which a loose pin is passed, be possible.

To use a separated wrench, suchas an openended wrench or a monkey wrench, would require such additional operations and loss of time, as to make their use 'inexpedient and it is. to overcome the inconveniences inherent in the known devices, that I have invented the associated nut and wrench, the

subject of this invention.

I The following is what I consider the best means of carrying out this invention and 0 the accompanying drawing should be referred to for a complete understanding of the specification which follows.

, In thedrawingfi Fig. '1', is a view in elevation of my nut 55 and wrench; I

Fig. 2, isv a plan view of the nut; Fig.3, isa-plan view'of thewrench; Fig. 4, is a view in elevation of the nut alone; and I Fig. 5, shows a mechanism,-with my device in operative relation thereto.

Similar reference numerals indicate like parts in all the figures where they appear.

I I At 1, I show a wrench, commonly termed 7 a side or box wrench, in'which the nut receiving portion of the wrench, as shown at 2, is entirely closed. 1

The wrench here shown is adapted to operate with a hexagonal nutand the pro- I jecting handle 3, which is curved, as shown in Fig. 1, to elevate it over the plane of operation of the nut, may be of any desired length. Obviously the weight and thickness of material from which the wrench is made, will be determined by the work, which it is called upon to perform.

The nut, with which my wrench operates,

is provided with a hexagonal portion 4,

upon which thewrench normally engages to rotate the nut and a cap. or cylindrical. portion 5, formed integral with the hexagonal part 4, extends upwardly from the hexagonal portion. The end of a bolt is received into the hexagonal portion and extends into the cap, terminating at a point somewherebelow the pin 6, which extends quite through the cap 5. and to a distance at each" side of the cap'and' I call particular attention to the fact that the distance or space between the upper edge of the hexagonal portion 4- and the'pin 6, is somewhat greater than the thickness of the hexagonal portion of the wrench, that portion included between the lead lines, extending from the reference character 7.

The hexagonal. portion of the nut is in troduced into the wrench, before the nut is engaged upon the bolt with which it is to operate and may be turned upon the bolt by means of the wrench. When the wrench reaches an abutment and cannot further be turned, the wrench is lifted from the hexagonal portion 4 and may be rotated backward in the space between the pin 6 and the hexagonal portion 4. and thereafter the wrench being again engaged upon the hexagonal portion of the nut, the nut can be further turned. This same operation will be repeated and in either direction, depending upon whether the nut is to betightened or loosened upon its bolt; hen the pin is in place the wrench can only be placed upon or removed from-the nut over the hexagonal part thereof, so to remove the wrench it is necessary to remove the nut from the bolt.

In Fig. 5, I show a mechanism with which my device will operate with greater efiiciency. Indeed, it is for use with just such. a mechanism that my device was designed.

The device shown 21118 in Fig. 5, is what is commonly termed a rotatable vise, butas this mechanism in no way forms a part of my invention and serves only to demonstrate a possible operation of my device, it is admitted that the vise is not shown in complete detail, it being thought suilicient to Inn state that the vise proper rotates upon its hexagonal plate 9 and mydevice, co-operating with a bolt, not shown, being employed to retain the vise in adjusted position.

It will be understood that my device may be made larger or smaller, for other pur passing through said extension to prevent the removal of the Wrench over said exten- 8101 2. A nut having a wrench engaging portion and a cylindrical portion formed integral, said cylindrical portion being of a diameter less than that of the nut and a pin passing through said cylindrical portion and extending at both sidcs'thereot'.

Signed at the town of Baldwinsville, county of Onondaga, State of New York this 5th day of March, 1925.

HARRY W. CONNELL. 

